CN108370372A - A kind of transmission method of data packet, network side equipment and user equipment - Google Patents

A kind of transmission method of data packet, network side equipment and user equipment Download PDF

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Publication number
CN108370372A
CN108370372A CN201680069572.2A CN201680069572A CN108370372A CN 108370372 A CN108370372 A CN 108370372A CN 201680069572 A CN201680069572 A CN 201680069572A CN 108370372 A CN108370372 A CN 108370372A
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China
Prior art keywords
user equipment
data packet
network side
request message
data
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Granted
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CN201680069572.2A
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Chinese (zh)
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CN108370372B (en
Inventor
庞伶俐
郑潇潇
黄敏
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/74—Address processing for routing
    • H04L45/742—Route cache; Operation thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/36—Flow control; Congestion control by determining packet size, e.g. maximum transfer unit [MTU]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
    • H04L67/5681—Pre-fetching or pre-delivering data based on network characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention discloses a kind of transmission methods of data packet, including：Network side equipment receives the first request message that user equipment is sent, and first request message is for asking network side equipment distribution data buffer storage space；Data packet at least part that server apparatus is sent to the user equipment by the network side equipment is buffered in the data buffer storage space；The network side equipment receives the second request message that the user equipment is sent, the data packet that second request message is used to that the network side equipment to be asked to send caching；Data packet of the network side equipment to the caching of the user equipment transmitting portion or whole.Correspondingly, the embodiment of the invention also discloses a kind of network side equipment, user equipment and communication systems.Using the present invention, may be implemented in the data cached packet of network side, to solve the problems, such as the transmission of the data packet in data transmission procedure not in time.

Description

A kind of transmission method of data packet, network side equipment and user equipment Technical field
The present invention relates to field of communication technology more particularly to a kind of transmission methods of data packet, network side equipment and user equipment.
Background technique
For certain video traffics, the player of terminal is equipped with spatial cache, to store data to be played.When the data volume in spatial cache is less, the data that terminal can be new to server application, continue to be put into spatial cache with etc. it is to be played.By the way that data are stored in advance in spatial cache, the continuity of video playing can be ensured, can interrupt to a certain extent to avoid because playing caused by the reasons such as network quality difference.
However, since the capacity of spatial cache is limited, in data transmission procedure inevitably can because of network status transmission or terminal signal quality the problems such as, cause terminal that can not obtain new data from server in time, and then cause to play and interrupt, affect the viewing experience of user.
Summary of the invention
It the embodiment of the invention provides a kind of transmission method of data packet, network side equipment and user equipment, may be implemented in the data cached packet of network side, to solve the problems, such as that the data packet in data transmission procedure is transmitted not in time.
First aspect of the embodiment of the present invention provides a kind of transmission method of data packet, it include: that network side equipment receives the first request message that user equipment is sent, first request message is for requesting network side equipment to distribute data buffer storage space, data packet at least part that server apparatus is sent to user equipment is buffered in data buffer storage space by network side equipment, then, network side equipment receives the second request message that user equipment is sent, the data packet that second request message is used to that network side equipment to be requested to send caching, network side equipment to user equipment transmitting portion or whole caching data packet.
In the first possible implementation of first aspect, the capacity in the data buffer storage space in the first request message that user equipment is sent comprising user equipment requests, accordingly, network side equipment receives after the first request message that user equipment is sent, according to the capacity in the data buffer storage space of the first request message requests, it is determined as the data buffer storage space of user equipment distribution respective volume.
With reference to first aspect and the first possible implementation of first aspect, in second of possible implementation, the first request message that user equipment is sent also includes the identification information of data packet, the data packet of caching is requested for identity user equipment, accordingly, data packet at least part that server apparatus is sent to user equipment is buffered in the concrete operations in data buffer storage space by network side equipment are as follows: receives the data packet that server apparatus is sent to user equipment, if the identification information for including in the data packet received and the identification information of data packet for including in the first request message are identical, then by data pack buffer in data buffer storage space.
In the third possible implementation of first aspect, the first request message that user equipment is sent is indicated comprising business, and the instruction in the data cached packet of network side equipment is supported comprising user equipment, accordingly, network side equipment receives after the first request message that user equipment is sent, also execute: network side equipment supports the instruction in the data cached packet of network side equipment according to business instruction and user equipment, distributes data buffer storage space for user equipment.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation, network side equipment supports the instruction in the data cached packet of network side equipment according to business instruction and user equipment, it is distributed after data buffer storage space for user equipment, it also executes: sending the first response message to user equipment, first response message is for notifying the network equipment to distribute data buffer storage space.
Third or the 4th kind of possible implementation with reference to first aspect, in the 5th kind of possible implementation, business instruction also includes the identification information of data packet, the data packet of caching is requested for identity user equipment, accordingly, data packet at least part that server apparatus is sent to user equipment is buffered in the concrete operations in data buffer storage space by network side equipment are as follows: receives the data packet that server apparatus is sent to user equipment, if the identification information for including in the data packet received and the identification information of data packet for including in business instruction are identical, then data cached packet.
With reference to first aspect and the possible implementation of any one in the first to the 5th of first aspect the, in the 6th kind of possible implementation, at least one of following information: the storage location of the size information of the requested data packet of user equipment, the identification information of the requested data packet of user equipment and the requested data packet of user equipment is included in the second request message.
With reference to first aspect and the possible implementation of any one in the first to the 6th of first aspect the, in the 7th kind of possible implementation, the second request message is radio resource control RRC message or HTTP request.
Second aspect of the embodiment of the present invention provides a kind of transmission method of data packet, including: user equipment sends the first request message to network side equipment, first request message is used for network side equipment request data spatial cache, user equipment sends third request message to server apparatus, the third request message sends data packet for request server equipment, wherein, server apparatus is sent data packet at least part and is buffered in data buffer storage space by network side equipment, then, user equipment sends the second request message to network side equipment, the data packet that second request message is used to that network side equipment to be requested to send caching, then user equipment receives the data packet of the caching of some or all of network side equipment transmission.
In the first possible implementation of second aspect, the first request message that user equipment is sent also includes the identification information of data packet, and the data packet of caching is requested for identity user equipment.
In conjunction with the possible implementation of the first of second aspect and second aspect, in second of possible implementation, the first request message that user equipment is sent includes that business indicates, and supports the instruction in the data cached packet of network side equipment comprising user equipment.
In the third possible implementation of second aspect, user equipment is sent to network side equipment after the first request message, it also executes: receiving the first response message that network side equipment is sent, first response message is for notifying the network equipment to distribute data buffer storage space.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation, network side equipment supports the instruction in the data cached packet of network side equipment according to business instruction and user equipment, it is distributed after data buffer storage space for user equipment, it also executes: sending the first response message to user equipment, first response message is for notifying the network equipment to distribute data buffer storage space.
In conjunction with the third of second aspect or the 4th kind of possible implementation, in the 5th kind of possible implementation, business instruction also includes the identification information of data packet, and the data packet of caching is requested for identity user equipment.
In conjunction with second aspect and second aspect the first to the 5th in any one possible implementation, in the 6th kind of possible implementation, at least one of following information: the storage location of the size information of the requested data packet of user equipment, the identification information of the requested data packet of user equipment and the requested data packet of user equipment is included in the second request message.
In conjunction with second aspect and second aspect the first to the 6th in any one possible implementation, in the 7th kind of possible implementation, the second request message is radio resource control RRC message or HTTP request.
The third aspect of the embodiment of the present invention provides a kind of network side equipment, and the network side equipment has the behavioral function for the method for realizing that above-mentioned first aspect provides, and the function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.
Fourth aspect of the embodiment of the present invention provides a kind of user equipment, and the user equipment has the behavioral function for the method for realizing that above-mentioned second aspect provides, and the function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.
The 5th aspect of the embodiment of the present invention provides a kind of network side equipment, including wireless interface, modulator/demodulator, memory and processor, wherein, batch processing is stored in memory, and processor is for calling the program stored in memory, it executes following operation: receiving the first request message that user equipment is sent, first request message is for requesting network side equipment to distribute data buffer storage space；Data packet at least part that server apparatus is sent to user equipment is buffered in data buffer storage space；Receive the second request message that user equipment is sent, the data packet which is used to that network side equipment to be requested to send caching；To the data packet of the caching of user equipment transmitting portion or whole.
The 6th aspect of the embodiment of the present invention provides a kind of user equipment, including wireless interface, modulator/demodulator, memory and processor, wherein, batch processing is stored in memory, and processor is for calling the program stored in memory, it executes following operation: sending the first request message to network side equipment, which is used for network side equipment request data spatial cache；Third request message is sent to server apparatus, which sends data packet for request server equipment, wherein server apparatus is sent data packet at least part and is buffered in data buffer storage space by network side equipment；The second request message, the data packet which is used to that network side equipment to be requested to send caching are sent to network side equipment；Receive the data packet of the caching of some or all of network side equipment transmission.
The 7th aspect of the embodiment of the present invention provides a kind of communication system, and the communication system includes network side equipment described in the above-mentioned third aspect, the user equipment as described in above-mentioned fourth aspect and server apparatus.
Therefore, in the embodiment of the present invention, user equipment, which first passes through, sends the first request message to network side equipment request data spatial cache, and then data packet at least part that server apparatus is sent to user equipment is buffered in data buffer storage space by network side equipment, user equipment passes through the data packet for sending the second request message to network side equipment request caching again, and then network side equipment to user equipment transmitting portion or whole caching data packet, allow network side equipment according to the request of user equipment be its data cached packet, to solve the problems, such as the transmission of the data packet in data transmission procedure not in time.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, the drawings to be used in the embodiments are briefly described below, apparently, drawings in the following description are only some embodiments of the invention or the prior art, for those of ordinary skill in the art, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of a scenario of wireless communication system provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of transmission of data packets in the prior art；
Fig. 3 is a kind of flow diagram of the transmission method of data packet provided in an embodiment of the present invention；
Fig. 4 is the flow diagram of the transmission method of another data packet provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of network side equipment provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of data cache module provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of user equipment provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another network side equipment provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another user equipment provided in an embodiment of the present invention；
Figure 10 is a kind of schematic diagram of a layer structure of terminal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, shall fall within the protection scope of the present invention.
The technical solution of the embodiment of the present invention can be applied to various wireless communication systems, such as: global system for mobile telecommunications (Global System of Mobile communication, referred to as " GSM ") system, CDMA (Code Division Multiple Access, referred to as " CDMA ") system, wideband code division multiple access (Wideband Code Division Multiple Access, referred to as " WCDMA ") system, General Packet Radio Service (General Packet Radio Service, referred to as " GPRS "), long term evolution (Long Term Evolution, referred to as " LTE ") system, LTE frequency division duplex (Frequency Division Duplex, referred to as " FDD ") system, LTE time division duplex (Time Division Duplex, referred to as " TDD "), Universal Mobile Communication System (Universal Mobile Telecommunication System, referred to as " UMTS ") or global interconnection inserting of microwave (Worldwide Interoperability for Microwave Access, referred to as " WiMAX ") communication system etc..
Please refer to Fig. 1, Fig. 1 is the schematic diagram of a scenario of the wireless communication system in the embodiment of the present invention, it as shown in the figure include user equipment (User Equipment, referred to as " UE "), network side equipment (Network, referred to as " NW ") and server apparatus (Sever, referred to as " SV ").Wherein, the user equipment can be through wireless access network (Radio Access Network, referred to as " RAN ") it is communicated with one or more core nets, such as, user equipment can be mobile phone (or being " honeycomb " phone) or computer with mobile terminal etc., for another example, user equipment can also be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device.The network side equipment includes the equipment that wireless access network equipment, equipment of the core network or both combine, optionally, it can also include any trunking carried out in business data packet transmittance process, in addition, network side equipment can also be above-mentioned various equipment (the i.e. equipment of wireless access network equipment, equipment of the core network or both combination, or trunking) external equipment, the data packet of storage can be sent to above-mentioned various equipment by the external equipment.In the present invention, the negotiation in data buffer storage space can be carried out by the control plane functional entity in network side equipment, user plane functions entity provides data buffer storage space.Server apparatus is handled to respond service request, such as send data packet etc..
Referring to Fig. 2, Fig. 2 is the process that UE and SV carries out data packet transmission in the prior art, NW is responsible for the scheduling of data packet in this process, that is, the data packet request message transmission for being responsible for UE to send is to SV, or the data packet that SV is issued is transmitted to UE.
In the embodiment of the present invention, NW is data cached to wrap the business continuance for being mainly to protect UE, and UE is mainly used for the data packet of request caching.It should be pointed out that i.e. UE is mainly used for data cached packet as an alternative embodiment, the partial function of UE and NW can be interchanged, NW is mainly used for requesting The data packet of caching is not introduced individually hereafter for the embodiment.
Fig. 3 is a kind of flow diagram of the transmission method of data packet in the embodiment of the present invention.The process of the transmission method of data packet in the present embodiment as shown in the figure can be as described below.
S101, UE send the first request message to NW.
Specifically, UE sends the first request message to NW, NW receives first request message, wherein first request message is for requesting NW to distribute data buffer storage space.It should be pointed out that UE can be according to the type of service of UE, network load, channel quality, current data processing speed, total data to be treated and the size in local cache space etc. because usually determining to the trigger timing that NW sends the first request message.Such as: assuming that UE is playing video, and monitor that network load is greater than preset threshold and/or channel quality and sends the first request message to NW at this time then UE, which can be prejudged, plays video council generation Caton lower than pre-set level.
Optionally, first request message may include the capacity in the data buffer storage space of UE request distribution.It should be pointed out that the capacity in the data buffer storage space of UE request distribution can also be according to network load, channel quality, current data processing speed, total data to be treated and the size in local remaining cache space etc. because of usually Synthesize estimation.Such as: assuming that UE is playing HD video, the data larger (that is data processing rate is larger) and total amount of data to be treated of unit time processing are also larger, then UE can request the biggish data buffer storage space of allocation capacity.
Again optional, first request message may include the identification information of data packet, and the data packet of caching is requested for identifying UE.The reason is that, UE may not needed all data pack buffers to be received in data buffer storage space, it only need to be by part data pack buffer to be received in data buffer storage space.Wherein, the identification information of the data packet can be the service bearer mark of data packet, be also possible to the service address information of data packet, such as IP (Internet Protocol, network protocol) address etc., naturally it is also possible to it is other information that can be identified for that data packet, does not do exhaustion here.
S102, NW distribute data buffer storage space according to the first request message, for UE.
Specifically, distributing data buffer storage space after NW receives the first request message for UE.
Optionally, if the first request message includes the capacity in the data buffer storage space of UE request distribution, NW is determined as the data buffer storage space of UE distribution respective volume according to the capacity in the data buffer storage space of the first request message requests.Such as: assuming that the capacity in the data buffer storage space in the first request message is 2G, Then NW is the data buffer storage space of UE distribution 2G as much as possible.Certainly, if the first request message does not include the capacity in the data buffer storage space of UE request distribution, then NW can be determined as the data buffer storage space of UE distribution according to the type of service of preset capacity or UE, wherein the type of service of UE includes video traffic, data service and voice service etc..
Further, NW is determined as after the data buffer storage space of UE distribution, sends the first response message to UE, first response message is for notifying UE to distribute data buffer storage space.Optionally, the first response message includes the capacity in the data buffer storage space that NW is UE distribution.
S103, UE send third request message to SV.
Specifically, UE sends third request message to SV, SV receives the third request message, wherein the third request message is for requesting SV to send data packet.Optionally, the third request message is HTTP (Transmission Control Protocol, transmission control protocol) type or HTTPS (HTTP over Secure socket layer, safely for the channel HTTP of target) type data packet request message.
S104, SV send data packet to UE according to third request message, by NW.
Specifically, sending data packet to UE, during specific implementation, SV first delivers a packet to NW, so that data packet is transmitted to UE by NW after SV receives third request message.
SV data packet at least part for being sent to UE is buffered in data buffer storage space by S105, NW.
Specifically, NW, which receives SV, is sent to the data packet of UE, and will at least part of cache in data buffer storage space.During specific implementation, NW can determine the data packet of caching, then by determining data pack buffer in data buffer storage space according to the capacity in the data buffer storage space distributed for UE.Optionally, NW caches all data packets, waits the request of UE that the data packet of caching is sent to UE again later；Or NW selectively caches the data packet of part, the delay for avoiding data packet from issuing influences the business experience of UE.Such as: assuming that the capacity that NW is the data buffer storage space of UE distribution is 500M, if NW receives multiple data packets that total size is 300M, by all data pack buffers in data buffer storage space；If NW receive total size be 800M multiple data packets, will wherein 500M (or close to 500M) a part of data pack buffer in data buffer storage space, extra another part data packet is transmitted directly to UE.In addition, NW can also determine the data packet of caching, then by determining data pack buffer in data buffer storage space according to the type of data packet.Such as: assuming that NW receives two kinds of data packet, one kind is video data, another kind of that instant message data are transmitted directly to UE then video data can be buffered in data buffer storage space by NW for instant message data.
It is again optional, if the first request message includes the identification information of data packet, then when the identification information of data packet for including in the identification information for including in the data packet that NW is received and the first request message is identical, by the data pack buffer received in data buffer storage space.Correspondingly, directly sending data packets to UE when the identification information for the data packet for including in the identification information for including in the data packet that NW is received and the first request message is not identical.
It should be pointed out that if between UE and SV transport layer be using TCP by the way of carry out data packet transmission, the embodiment of the invention also includes the TCP layers of: NW notice SV can cache the business data packet that SV is sent to UE；Or NW sends a notification message every time by after the data pack buffer received to the TCP layer of SV, the notification message is for allowing the TCP layer of SV to learn that NW has cached data packet.Reason is, according to the regulation of TCP, after SV sends data packet to UE by NW, UE needs to send feedback message to the TCP layer of SV, so that TCP layer learns that data packet is sent successfully, otherwise TCP layer can reduce the size for sending window and/or repeat to send data packet to UE until receiving feedback message.As it can be seen that TCP layer after the data pack buffer received can be influenced the handling capacity of TCP layer because not receiving the feedback message of UE transmission to avoid NW and/or repeat the problem of sending data packet by the embodiment of the present invention.
S106, UE send the second request message to NW.
Specifically, UE sends the second request message to NW, NW receives second request message, wherein the data packet that second request message is used to that NW to be requested to send in data buffer storage space.In the embodiment of the present invention, second request message can be RRC (Radio Resource Control, wireless heterogeneous networks) message, layer two controls cell or HTTP request.
Optionally, at least one of following information: the 1. size information of the requested data packet of UE is included in the second request message.2. the identification information of the requested data packet of UE.3. the storage location of the requested data packet of UE.Wherein, for 2. the case where, the mark of data packet can be the sequence number of data packet, uniquely identify the data packet in the first spatial cache to UE and NW.
As an alternative embodiment, the second request message that UE is sent to NW, can be placed in a message to the third request message that SV is sent again, the third request message sent again to SV is for requesting SV to send new data packet.Optionally, the second request message is carried in the transport layer of third request message or the protocol layer packet header of IP layers or access layer.Such as: when UE, which sends third request message requests SV to SV, sends n-th data packet, UE carries the second request message of the N-1 data packet cached into NW request data spatial cache in third request message, and wherein N is greater than 1 Positive integer.The advantages of the embodiment are that saving the number that UE sends request message, interactive process is simplified.
It is to be noted that, please refer to the layer structure of UE shown in Fig. 10, the second request message that UE is sent to NW, what the application layer or operating system that can be UE triggered after sending instruction message to bottom, the application layer that is also possible to UE directly transmits to be triggered when the data packet of third request message, the instruction information of the second request message is wherein triggered in the head of data packet comprising instruction bottom, such as: it include the instruction information in TCP or IP of data packet, specifically, the instruction information may be the identification information of NW, such as: the IP address etc. of NW.
S107, NW are according to the second request message, to the data packet of the caching of UE transmitting portion or whole.
Specifically, after NW receives the second request message, the data packet some or all of being buffered in data buffer storage space is sent to UE.
Optionally, if 1. in the second request message including the size information of the requested data packet of UE, NW sends the corresponding data packet of size information to UE according to first in, first out principle according to the chronological order of data cached packet.Such as: assuming that the size information for the data packet for including in the second request message is 200M, then the data packet that the total size cached at first is 200M is sent to UE by NW, if entire packet is sent to UE less than 200M by the total size of the data packet of caching.2. NW sends the corresponding data packet of identification information to UE if in the second request message including the identification information of the requested data packet of UE.3. NW sends the corresponding data packet of storage location to UE if in the second request message including the storage location of the requested data packet of UE.
As a kind of optional embodiment, if the second request message that UE is sent to NW, with again to SV send third request message be placed in a message, then NW parses the second request message from the message, and according to the second request message, to UE transmitting portion or the data packet of whole.
As another optional embodiment, in step S106, UE can not also send the second request message to NW, and in the third request message that UE is sent to SV again, NW determines whether the data packet of UE transmitting portion or whole according to the message.In this embodiment, NW needs to identify third request message.Further, NW directly can send third request message to SV, send without UE.
Therefore, in the embodiment of the present invention, UE, which is first passed through, sends the first request message to NW request data spatial cache, and then SV data packet at least part for being sent to UE is buffered in data buffer storage space by NW, UE pass through again send the second request message to NW request caching data packet, and then NW to UE transmitting portion or whole caching data packet, allow NW according to the request of UE be its data cached packet, thus solve the problems, such as in data transmission procedure data packet transmission not in time.
Fig. 4 is the flow diagram of the transmission method of another data packet in the embodiment of the present invention.The process of the transmission method of data packet in the present embodiment as shown in the figure can be as described below.
S201, UE send business instruction and UE support in the instruction of the data cached packet of the NW to NW.
Wherein, business, such as video data service, voice data traffic etc. of the business instruction for needing to transmit to NW instruction.In addition, UE supports that in the instruction of the data cached packet of NW, i.e. expression UE can support NW to cache data packet for the ability to NW instruction UE.It should be noted that, the instruction of business transmitted by UE and the instruction of the support data cached packet of NW can not be sent in the same message, such as: UE can send the instruction supported in the data cached packet of NW when being linked into network, and UE sends business instruction at the beginning of business.As it can be seen that step 201 does not limit the sequencing that UE sends above- mentioned information.It is to be noted that, UE can report business to indicate for all business of transmission, but not all business will be buffered in data buffer storage space, i.e. the business of only part needs to be buffered in data buffer storage space, or the business of only part can be buffered in data buffer storage space.
Optionally, UE to NW send business instruction and UE support can be according to network load, channel quality, current data processing speed, total data to be treated and the size in local remaining cache space etc. because usually determining in the trigger timing of the instruction of the data cached packet of the NW.Such as: assuming that UE is playing video, and monitor that network load is larger and channel quality is poor, then UE can prejudge play video will Caton, therefore send business instruction to NW and UE supports instruction in the data cached packet of the NW.
Optionally, the business instruction may include the identification information of data packet, and the data packet of caching is requested for identifying UE.
S202, NW support the instruction in the data cached packet of the NW according to business instruction and UE, distribute data buffer storage space for UE.
Specifically, judging whether to receive UE support in the instruction of the data cached packet of NW when NW receives business instruction, if so, data buffer storage space can be distributed for UE, if it is not, then not distributing data buffer storage space for UE.
Optionally, NW is the concrete operations that UE distributes data buffer storage space are as follows: indicates to determine according to business UE needs the type of service transmitted, and then is determined as the data buffer storage space of UE distribution according to type of service, wherein the type of service of UE includes video traffic, data service and voice service etc..Such as: it is the data buffer storage space that UE allocation capacity is 2G when the business that NW determines that UE needs to transmit is HD video business；It is the data buffer storage space that UE allocation capacity is 200M when the business that NW determines that UE needs to transmit is SD video traffic.It should be noted that the data buffer storage space of NW distribution is also possible to the space of a variable-size, specific space size is according to the coding mode or fragment size variation of business data packet.
S203, NW send the first response message to UE.
Specifically, NW sends the first response message to UE, UE receives first response message, wherein first response message is for notifying the allocated data buffer storage space UE.Wherein, which is optional step.
Again optional, the first response message includes the capacity in the data buffer storage space that NW is UE distribution.
It should be noted that, the step S103-S107 in step S204-S208 and Fig. 3 described embodiment in the embodiment of the present invention is essentially identical, difference be information that the first request message includes by business instruction comprising (such as, the first request message in step S105 may include the identification information of data packet, accordingly, business instruction in step S206 may include the identification information of data packet), which is not described herein again.
Therefore, in the embodiment of the present invention, UE first passes through the instruction of transmission business and UE is supported in the instruction of the data cached packet of the NW to NW request data spatial cache, and then SV data packet at least part for being sent to UE is buffered in data buffer storage space by NW, UE passes through the data packet for sending the second request message to NW request caching again, and then NW to UE transmitting portion or whole caching data packet, allow NW according to the request of UE be its data cached packet, thus solve the problems, such as in data transmission procedure data packet transmission not in time.It is to be noted that, the embodiment of the present invention is compared to Fig. 3 described embodiment, UE does not have to special transmission for requesting first request message in NW distribution data buffer storage space, need to only send business instruction and UE support in the instruction of the data cached packet of NW, simplify interactive process.
In addition, it should be noted that, in Fig. 3 and Fig. 4 described embodiment, step S101-S102 and step S201-S203 is the process of UE and NW negotiation data spatial cache and the distribution of data spatial cache, it is not always the execution of sequence with subsequent request of data and received process, i.e. in the data transmission procedure of UE, step S101-S102 and step S201-S203 are optional processes.It is primary performing After S101-S102 has determined data buffer storage space, step S103-S107 may recycle execution, until data packet transmission stops or the data packet end of transmission.In another feasible embodiment, do not need the distribution of NW and UE interaction data spatial cache, data buffer storage space be it is predefined, be not necessarily to explicit negotiation.
Fig. 5 is a kind of structural schematic diagram of network side equipment in the embodiment of the present invention, and the NW is for realizing the NW in Fig. 3 or Fig. 4 described embodiment.NW in the embodiment of the present invention as shown in the figure at least may include message reception module 310, data cache module 320 and data transmission blocks 330.
Message reception module 310, for receiving the first request message of user equipment transmission, first request message is for requesting network side equipment to distribute data buffer storage space.
Specifically, UE sends the first request message to NW, message reception module 310 receives first request message, wherein first request message is for requesting NW to distribute data buffer storage space.It should be pointed out that UE can be according to the type of service of UE, network load, channel quality, current data processing speed, total data to be treated and the size in local remaining cache space etc. because usually determining to the trigger timing that NW sends the first request message.
Data cache module 320, data packet at least part for server apparatus to be sent to the user equipment are buffered in the data buffer storage space.
Specifically, data cache module 320, which receives SV, is sent to the data packet of UE, and will at least part of cache in data buffer storage space.During specific implementation, data cache module 320 can determine the data packet of caching, then by determining data pack buffer in data buffer storage space according to the capacity in the data buffer storage space distributed for UE.In addition, data cache module 320 can also determine the data packet of caching, then by determining data pack buffer in data buffer storage space according to the type of data packet.Optionally, data cache module 320 can cache all data packets, wait the request of UE that the data packet of caching is sent to UE again later；Or data cache module 320 selectively caches the data packet, the delay for avoiding data packet from issuing influences the business experience of UE.
Message reception module 310 is also used to receive the second request message that the user equipment is sent, the data packet that second request message is used to that the network side equipment to be requested to send caching.
Specifically, UE sends the second request message to NW, message reception module 310 receives second request message, wherein the data packet that second request message is used to that NW to be requested to send caching.
Optionally, second request message can be RRC information, layer two controls cell or HTTP request.
Optionally, at least one of following information: the 1. size information of the requested data packet of UE is included in the second request message.2. the identification information of the requested data packet of UE.3. the storage location of the requested data packet of UE.
Data transmission blocks 330, for the data packet to the user equipment transmitting portion or whole.
Specifically, after data transmission blocks 330 receive the second request message, to the data packet of the caching of UE transmitting portion or whole.
Optionally, the capacity in the data buffer storage space comprising the user equipment requests in the first request message that the user equipment is sent.Accordingly, please refer to Fig. 5, network side equipment in the embodiment of the present invention as shown in the figure can also include space distribution module 340, for the capacity according to the data buffer storage spaces of first request message requests, be determined as the data buffer storage space of the user equipment distribution respective volume.
Further alternative, the first request message that the user equipment is sent also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.During specific implementation, the data cache module 320 in the embodiment of the present invention as shown in Figure 6 be can further include:
Data receipt unit 321, the data packet for being sent to the user equipment for receiving the server apparatus.
Data buffer storage unit 322, if the identification information of data packet for including in the identification information and first request message that include in the data packet for receiving is identical, by the data pack buffer in the data buffer storage space.
Again optional, the first request message that the user equipment is sent is indicated comprising business, and supports the instruction in the data cached packet of the network side equipment comprising the user equipment.Accordingly, please refer to Fig. 5, network side equipment in the embodiment of the present invention as shown in the figure can also include space distribution module 340, for supporting the instruction in the data cached packet of the network side equipment according to business instruction and the user equipment, distribute data buffer storage space for the user equipment.
Further, please refer to Fig. 5, network side equipment in the embodiment of the present invention as shown in the figure can also include message transmission module 350, and for sending the first response message to the user equipment, first response message is for notifying the network equipment to distribute data buffer storage space.
Further alternative, the business instruction also includes the identification information of data packet, for identifying the use Family equipment requests the data packet of caching.During specific implementation, the data cache module 320 in the embodiment of the present invention as shown in Figure 6 be can further include:
Data receipt unit 321, the data packet for being sent to the user equipment for receiving the server apparatus.
Data buffer storage unit 322 caches the data packet if the identification information for including in the data packet for receiving and the identification information of data packet for including in business instruction are identical.
Fig. 7 is a kind of structural schematic diagram of user equipment in the embodiment of the present invention, and the UE is for realizing the UE in Fig. 3 or Fig. 4 described embodiment.UE in the embodiment of the present invention as shown in the figure at least may include message transmission module 410 and data reception module 420.
Message transmission module 410, for sending the first request message to network side equipment, first request message is used for network side equipment request data spatial cache.
Specifically, message transmission module 410 sends the first request message to NW, NW receives first request message, wherein first request message is for requesting NW to distribute data buffer storage space.Correspondingly, distributing data buffer storage space after NW receives the first request message for UE.
Message transmission module 410, it is also used to send third request message to server apparatus, the third request message is for requesting the server apparatus to send data packet, wherein the server apparatus is sent data packet at least part and is buffered in the data buffer storage space by the network side equipment.
Specifically, message transmission module 410 sends third request message to SV, SV receives the third request message.Correspondingly, sending data packet to UE, during specific implementation, SV first delivers a packet to NW, so that data packet is transmitted to UE by NW after SV receives third request message.
Message transmission module 410 is also used to send the second request message, the data packet that second request message is used to that the network side equipment to be requested to send caching to the network side equipment.
Specifically, message transmission module 410 sends the second request message to NW, NW receives second request message, wherein the data packet that second request message is used to that NW to be requested to send caching.Correspondingly, after NW receives the second request message, to UE transmitting portion or the data packet of whole.
Data reception module 420, the data packet of the caching for receiving some or all of described network side equipment transmission.
Optionally, referring to Fig. 7, the user equipment in the embodiment of the present invention can also include disappearing as shown in the figure Receiving module 430 is ceased, the first response message sent for receiving the network side equipment, first response message is for notifying the network equipment to distribute data buffer storage space.
Correspondingly, NW is determined as after the data buffer storage space of UE distribution, the first response message is sent to UE, first response message is for notifying UE to distribute data buffer storage space.Optionally, the first response message includes the capacity in the data buffer storage space that NW is UE distribution.Specifically, message reception module 430 receives the first response message that NW is sent.
Fig. 8 is the structural schematic diagram of another network side equipment in the embodiment of the present invention, as shown in figure 8, the network side equipment may include: at least one processor 501, such as CPU, at least one communication bus 502, at least one modulator/demodulator 503, memory 504, wireless interface 505.Wherein, communication bus 502 is for realizing the connection communication between these components；Wireless interface 505 is used to carry out the communication of signaling or data with other node devices；Memory 504 can be high speed RAM memory, be also possible to non-volatile memory (non-volatile emory), for example, at least a magnetic disk storage.Optionally, memory 504 can also be that at least one is located remotely from the storage device of aforementioned processor 501.Batch processing code is stored in memory 504, processor 501 is for calling the program code stored in memory 504, the following operation of execution:
The first request message that user equipment is sent is received, first request message is for requesting network side equipment to distribute data buffer storage space；
Data packet at least part that server apparatus is sent to the user equipment is buffered in the data buffer storage space；
Receive the second request message that the user equipment is sent, the data packet that second request message is used to that the network side equipment to be requested to send caching；
To the data packet of the caching of the user equipment transmitting portion or whole.
Optionally, the capacity in the data buffer storage space comprising the user equipment requests in the first request message that the user equipment is sent.Correspondingly, also being executed after the processor 501 receives the first request message that user equipment is sent:
According to the capacity in the data buffer storage space of first request message requests, it is determined as the data buffer storage space of the user equipment distribution respective volume.
Further alternative, the first request message that the user equipment is sent also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.Correspondingly, processor 501 will service Data packet at least part that device equipment is sent to the user equipment is buffered in the concrete operations in the data buffer storage space are as follows:
Receive the data packet that the server apparatus is sent to the user equipment；
If the identification information for including in the data packet received and the identification information of data packet for including in first request message are identical, by the data pack buffer in the data buffer storage space.
Again optional, the first request message that the user equipment is sent is indicated comprising business, and supports the instruction in the data cached packet of the network side equipment comprising the user equipment.Correspondingly, also being executed after processor 501 receives the first request message that user equipment is sent:
The instruction in the data cached packet of the network side equipment is supported according to business instruction and the user equipment, distributes data buffer storage space for the user equipment.
Further, processor 501 supports the instruction in the data cached packet of the network side equipment, after distributing data buffer storage space for the user equipment, also execute according to business instruction and the user equipment:
The first response message is sent to the user equipment, first response message is for notifying the network equipment to distribute data buffer storage space.
Further alternative, the business instruction also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.Correspondingly, data packet at least part that server apparatus is sent to the user equipment is buffered in the concrete operations in the data buffer storage space by processor 501 are as follows:
Receive the data packet that the server apparatus is sent to the user equipment；
If the identification information for including in the data packet received and the identification information of data packet for including in business instruction are identical, the data packet is cached.
It is again optional, at least one of following information is included in second request message:
The size information of the requested data packet of user equipment；
The identification information of the requested data packet of user equipment；
The storage location of the requested data packet of user equipment.
Again optional, second request message is radio resource control RRC message or HTTP request.
Fig. 9 is the structural schematic diagram of another user equipment in the embodiment of the present invention, as shown in figure 9, the user equipment may include: at least one processor 601, such as CPU, at least one communication bus 602, At least one modulator/demodulator 603, memory 604, wireless interface 605.Wherein, communication bus 602 is for realizing the connection communication between these components；Wireless interface 605 is used to carry out the communication of signaling or data with other node devices；Memory 604 can be high speed RAM memory, be also possible to non-volatile memory (non-volatile emory), for example, at least a magnetic disk storage.Optionally, memory 604 can also be that at least one is located remotely from the storage device of aforementioned processor 601.Batch processing code is stored in memory 604, processor 601 is for calling the program code stored in memory 604, the following operation of execution:
The first request message is sent to network side equipment, first request message is used for network side equipment request data spatial cache；
Third request message is sent to server apparatus, the third request message is for requesting the server apparatus to send data packet, wherein the server apparatus is sent data packet at least part and is buffered in the data buffer storage space by the network side equipment；
The second request message, the data packet that second request message is used to that the network side equipment to be requested to send caching are sent to the network side equipment；
Receive the data packet of the caching of some or all of described network side equipment transmission.
Optionally, the capacity in the data buffer storage space in first request message comprising the user equipment requests.
Further alternative, first request message also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.
Again optional, first request message is indicated comprising business, and supports the instruction in the data cached packet of the network side equipment comprising the user equipment.
Further, it after processor 601 sends the first request message to network side equipment, also executes:
The first response message that the network side equipment is sent is received, first response message is for notifying the network equipment to distribute data buffer storage space.
Further alternative, the business instruction also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.
It is again optional, at least one of following information is included in second request message:
The size information of the requested data packet of user equipment；
The identification information of the requested data packet of user equipment；
The storage location of the requested data packet of user equipment.
Again optional, second request message is radio resource control RRC message or HTTP request.
The embodiment of the present invention also proposed a kind of computer storage medium, the computer storage medium is stored with program, and described program includes the steps that some instructions some or all of to execute in a kind of transmission method of data packet described in Fig. 3~Fig. 4 of the embodiment of the present invention.
The embodiment of the present invention also provides a kind of communication system, may include NW described in Fig. 5, UE described in Fig. 7 and SV.
The NW is used to receive the first request message of UE transmission, and first request message is for requesting NW to distribute data buffer storage space；SV data packet at least part for being sent to UE is buffered in the data buffer storage space；Receive the second request message that UE is sent, the data packet that second request message is used to that NW to be requested to send caching；To the data packet of the caching of UE transmitting portion or whole；
The UE is used to send the first request message to NW, and first request message is used for NW request data spatial cache；Third request message is sent to SV, the third request message is for requesting the SV to send data packet, wherein SV is sent data packet at least part and is buffered in the data buffer storage space by NW；The second request message, the data packet that second request message is used to that NW to be requested to send caching are sent to NW；Receive the data packet of the caching of some or all of NW transmission.
Therefore, in the embodiment of the present invention, user equipment, which first passes through, sends the first request message to network side equipment request data spatial cache, and then data packet at least part that server apparatus is sent to user equipment is buffered in data buffer storage space by network side equipment, user equipment passes through the data packet for sending the second request message to network side equipment request caching again, and then network side equipment to user equipment transmitting portion or whole caching data packet, allow network side equipment according to the request of user equipment be its data cached packet, to solve the problems, such as the transmission of the data packet in data transmission procedure not in time.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, it is that relevant hardware can be instructed to complete by computer program, the program can be stored in a computer-readable storage medium, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method. Wherein, the storage medium can be magnetic disk, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.

Claims (35)

  1. A kind of transmission method of data packet, which is characterized in that the described method includes:
    Network side equipment receives the first request message that user equipment is sent, and first request message is for requesting network side equipment to distribute data buffer storage space；
    Data packet at least part that server apparatus is sent to the user equipment is buffered in the data buffer storage space by the network side equipment；
    The network side equipment receives the second request message that the user equipment is sent, the data packet that second request message is used to that the network side equipment to be requested to send caching；
    The network side equipment to the user equipment transmitting portion or whole the caching data packet.
  2. The method as described in claim 1, which is characterized in that the capacity in the data buffer storage space in the first request message that the user equipment is sent comprising the user equipment requests；
    The network side equipment receives after the first request message that user equipment is sent, further includes:
    The network side equipment is determined as the data buffer storage space of the user equipment distribution respective volume according to the capacity in the data buffer storage space of first request message requests.
  3. It is method according to claim 1 or 2, which is characterized in that the first request message that the user equipment is sent also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment；
    Data packet at least part that server apparatus is sent to the user equipment is buffered in the data buffer storage space by the network side equipment, comprising:
    The network side equipment receives the data packet that the server apparatus is sent to the user equipment；
    If the identification information for including in the data packet that the network side equipment receives and the identification information of data packet for including in first request message are identical, by the data pack buffer in the data buffer storage space.
  4. The method as described in claim 1, which is characterized in that the first request message that the user equipment is sent includes business instruction, and data cached in the network side equipment comprising user equipment support The instruction of packet；
    The network side equipment receives after the first request message that user equipment is sent, further includes:
    The network side equipment supports the instruction in the data cached packet of the network side equipment according to business instruction and the user equipment, distributes data buffer storage space for the user equipment.
  5. Method as claimed in claim 4, which is characterized in that the network side equipment supports the instruction in the data cached packet of the network side equipment according to business instruction and the user equipment, distributes after data buffer storage space for the user equipment, further includes:
    The network side equipment sends the first response message to the user equipment, and first response message is for notifying the network equipment to distribute data buffer storage space.
  6. Method as described in claim 4 or 5, which is characterized in that the business instruction also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment；
    Data packet at least part that server apparatus is sent to the user equipment is buffered in the data buffer storage space by the network side equipment, comprising:
    The network side equipment receives the data packet that the server apparatus is sent to the user equipment；
    If the identification information for including in the data packet that the network side equipment receives and the identification information of data packet for including in business instruction are identical, the data packet is cached.
  7. As the method according to claim 1 to 6, which is characterized in that include at least one of following information in second request message:
    The size information of the requested data packet of user equipment；
    The identification information of the requested data packet of user equipment；
    The storage location of the requested data packet of user equipment.
  8. The method according to claim 1 to 7, which is characterized in that second request message is radio resource control RRC message or HTTP request.
  9. A kind of transmission method of data packet, which is characterized in that the described method includes:
    User equipment sends the first request message to network side equipment, and first request message is used for network side equipment request data spatial cache；
    The user equipment sends third request message to server apparatus, the third request message is for requesting the server apparatus to send data packet, wherein, the server apparatus is sent data packet at least part and is buffered in the data buffer storage space by the network side equipment；
    The user equipment sends the second request message, the data packet that second request message is used to that the network side equipment to be requested to send caching to the network side equipment；
    The user equipment receives the data packet of the caching of some or all of described network side equipment transmission.
  10. Method as claimed in claim 9, which is characterized in that the capacity in the data buffer storage space in the first request message that the user equipment is sent comprising the user equipment requests.
  11. Method as described in claim 9 or 10, which is characterized in that the first request message that the user equipment is sent also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.
  12. Method as claimed in claim 9, which is characterized in that the first request message that the user equipment is sent is indicated comprising business, and supports the instruction in the data cached packet of the network side equipment comprising the user equipment.
  13. Method as described in right wants 12, which is characterized in that the user equipment is sent to network side equipment after the first request message, further includes:
    The user equipment receives the first response message that the network side equipment is sent, and first response message is for notifying the network equipment to distribute data buffer storage space.
  14. Method as described in claim 12 or 13, which is characterized in that the business instruction also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.
  15. Such as the described in any item methods of claim 9-14, which is characterized in that include at least one of following information in second request message:
    The size information of the requested data packet of user equipment；
    The identification information of the requested data packet of user equipment；
    The storage location of the requested data packet of user equipment.
  16. Such as the described in any item methods of claim 9-15, which is characterized in that second request message is radio resource control RRC message or HTTP request.
  17. A kind of network side equipment, which is characterized in that the network side equipment includes:
    Message reception module, for receiving the first request message of user equipment transmission, first request message is for requesting network side equipment to distribute data buffer storage space；
    Data cache module, data packet at least part for server apparatus to be sent to the user equipment are buffered in the data buffer storage space；
    The message reception module is also used to receive the second request message that the user equipment is sent, the data packet that second request message is used to that the network side equipment to be requested to send caching；
    Data transmission blocks, the data packet for the caching to the user equipment transmitting portion or whole.
  18. Network side equipment as claimed in claim 17, which is characterized in that the capacity in the data buffer storage space in the first request message that the user equipment is sent comprising the user equipment requests；
    The network side equipment further include:
    Space distribution module is determined as the data buffer storage space of the user equipment distribution respective volume for the capacity according to the data buffer storage spaces of first request message requests.
  19. Network side equipment as described in claim 17 or 18, which is characterized in that the first request message that the user equipment is sent also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment；
    The data cache module, comprising:
    Data receipt unit, the data packet for being sent to the user equipment for receiving the server apparatus；
    Data buffer storage unit, if the identification information of data packet for including in the identification information and first request message that include in the data packet for receiving is identical, by the data pack buffer in the data buffer storage space.
  20. Network side equipment as claimed in claim 17, which is characterized in that the first request message that the user equipment is sent is indicated comprising business, and supports the instruction in the data cached packet of the network side equipment comprising the user equipment；
    The network side equipment further include:
    Space distribution module distributes data buffer storage space for supporting the instruction in the data cached packet of the network side equipment according to business instruction and the user equipment for the user equipment.
  21. Network side equipment as claimed in claim 20, which is characterized in that the network side equipment further include:
    Message transmission module, for sending the first response message to the user equipment, first response message is for notifying the network equipment to distribute data buffer storage space.
  22. Network side equipment as described in claim 20 or 21, which is characterized in that the business instruction also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment；
    The data cache module, comprising:
    Data receipt unit, the data packet for being sent to the user equipment for receiving the server apparatus；
    Data buffer storage unit caches the data packet if the identification information for including in the data packet for receiving and the identification information of data packet for including in business instruction are identical.
  23. Such as the described in any item network side equipments of claim 17-22, which is characterized in that include at least one of following information in second request message:
    The size information of the requested data packet of user equipment；
    The identification information of the requested data packet of user equipment；
    The storage location of the requested data packet of user equipment.
  24. Such as the described in any item network side equipments of claim 17-23, which is characterized in that second request message is radio resource control RRC message or HTTP request.
  25. A kind of user equipment, which is characterized in that the user equipment includes:
    Message transmission module, for sending the first request message to network side equipment, first request message is used for network side equipment request data spatial cache；
    The message transmission module, it is also used to send third request message to server apparatus, the third request message is for requesting the server apparatus to send data packet, wherein the server apparatus is sent data packet at least part and is buffered in the data buffer storage space by the network side equipment；
    The message transmission module is also used to send the second request message, the data packet that second request message is used to that the network side equipment to be requested to send caching to the network side equipment；
    Data reception module, the data packet of the caching for receiving some or all of described network side equipment transmission.
  26. User equipment as claimed in claim 25, which is characterized in that the capacity in the data buffer storage space in first request message comprising the user equipment requests.
  27. User equipment as described in claim 25 or 26, which is characterized in that first request message also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.
  28. User equipment as claimed in claim 25, which is characterized in that first request message is indicated comprising business, and supports the instruction in the data cached packet of the network side equipment comprising the user equipment.
  29. User equipment as described in right wants 28, which is characterized in that the user equipment further include:
    Message reception module, the first response message sent for receiving the network side equipment, first response message is for notifying the network equipment to distribute data buffer storage space.
  30. User equipment as described in claim 28 or 29, which is characterized in that the business instruction also includes the identification information of data packet, and the data packet of caching is requested for identifying the user equipment.
  31. Such as the described in any item user equipmenies of claim 25-30, which is characterized in that include at least one of following information in second request message:
    The size information of the requested data packet of user equipment；
    The identification information of the requested data packet of user equipment；
    The storage location of the requested data packet of user equipment.
  32. Such as the described in any item user equipmenies of claim 25-31, which is characterized in that second request message is radio resource control RRC message or HTTP request.
  33. A kind of network side equipment, which is characterized in that the network side equipment includes wireless interface, modulator/demodulator, memory and processor, wherein batch processing is stored in memory, and processor, for calling the program stored in memory, execution is following to be operated:
    The first request message that user equipment is sent is received, first request message is for requesting network side equipment to distribute data buffer storage space；
    There are in the data buffer storage space for the slow at least part of the data packet that server apparatus is sent to the user equipment；
    Receive the second request message that the user equipment is sent, the data packet that second request message is used to that the network side equipment to be requested to send caching；
    To the data packet of the caching of the user equipment transmitting portion or whole.
  34. A kind of user equipment, which is characterized in that the user equipment includes wireless interface, modulator/demodulator, memory and processor, wherein batch processing is stored in memory, and processor, for calling the program stored in memory, execution is following to be operated:
    The first request message is sent to network side equipment, first request message is used for network side equipment request data spatial cache；
    Third request message is sent to server apparatus, the third request message is for requesting the server apparatus to send data packet, wherein the server apparatus is sent data packet at least part and is buffered in the data buffer storage space by the network side equipment；
    The second request message, the data packet that second request message is used to that the network side equipment to be requested to send caching are sent to the network side equipment；
    Receive the data packet of the caching of some or all of described network side equipment transmission.
  35. A kind of communication system, which is characterized in that the communication system includes such as described in any item network side equipments of claim 17-24, such as the described in any item user equipmenies of claim 25-32 and server apparatus, in which:
    The network side equipment, for receiving the first request message of user equipment transmission, first request message is for requesting network side equipment to distribute data buffer storage space；Data packet at least part that server apparatus is sent to the user equipment is buffered in the data buffer storage space；Receive the second request message that the user equipment is sent, the data packet that second request message is used to that the network side equipment to be requested to send caching；To the data packet of the caching of the user equipment transmitting portion or whole；
    The user equipment, for sending the first request message to network side equipment, first request message is used for network side equipment request data spatial cache；Third request message is sent to server apparatus, the third request message is for requesting the server apparatus to send data packet, wherein there are the data buffer storage spaces by the slow at least part of server apparatus transmission data packet for the network side equipment；The second request message, the data packet that second request message is used to that the network side equipment to be requested to send caching are sent to the network side equipment；Receive the data packet of the caching of some or all of described network side equipment transmission.
CN201680069572.2A 2016-02-22 2016-02-22 Data packet transmission method, network side equipment and user equipment Active CN108370372B (en)

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